TCI 700-R4/4L60E 29 Element Forward Sprag Hardware & Fasteners Deals 1971-1981 Pontiac Firebird

1971-1981 Pontiac Firebird

fail safe" valve

adjustable from 3-20 PSI

Unlike heavier cast versions offered by others

Air cleaner dimensions: 14-1/8" wide x 13-3/8" long

TCI 700-R4/4L60E 29 Element Forward Sprag Hardware & Fasteners Deals 1971-1981 Pontiac Firebird700R4 4L60E Forward 29 Element Sprag. This 700R4 Sprag Assembly is designed to handle more power thanks to its superior material construction. Sprags are a one way clutch device used to transfer power through the transmission. TCI heavy duty sprags are stronger than stock in both material and design. And in applications where multiple sprag designs are available, TCI always selects the strongest ones for use in our transmissions. See 37360 for Low